Encapsulated DC-DC Converter
SK40 SERIES
KEY FEATURES
Power Modules for PCB Mounting
Six-sided Continuous Shield
High Efficiency
Standard Package
2-Year Product Warranty
40 Watts
PRELIMINARY
ELECTRICAL SPECIFICATIONS
Model No.
Max. output wattage (W)
Input voltage (V.DC.)
Output voltage (V.DC.)
Efficiency (%)
SK40-48-1.8S
40W
48V (36-75V)
1.8V / 8000mA
80%
SK40-48-2.5S
40W
48V (36-75V)
2.5V / 8000mA
83%
SK40-48-3.3S
40W
48V (36-75V)
3.3V / 8000mA
85%
SK40-48-5S
40W
48V (36-75V)
5V / 8000mA
87%
SK40-48-12S
40W
48V (36-75V)
12V / 3333mA
87%
SK40-48-15S
40W
48V (36-75V)
15V / 2666mA
88%
SK40-48-24S
40W
48V (36-75V)
24V / 1666mA
89%
Model No.
( Single Output )
SK40-48-1.8S
40W
SK40-48-2.5S
40W
SK40-48-3.2S
40W
SK40-48-5S
40W
SK40-48-12S
40W
12
±1%
3333
±0.5%
±1%
SK40-48-15S
40W
15
±1%
2666
±0.5%
±1%
SK40-48-24S
40W
24
±1%
1666
±0.5%
±1%
Max output wattage (W)
Input
Input filter
Voltage (V.DC.)
Voltage accuracy
Current (mA) max
Line regulation (HL-LL) (typ.)
Output
Load regulation (10-100%) (typ.)
Ripple
Noise
Switching frequency
Over current protection
Protection
Over voltage protection
Short circuit protection
Voltage
Isolation
Resistance
Capacitance
Operating temperature
Storage temperature
Case temperature
Environment
Temperature coefficient
Humidity
MTBF
Dimension (L x W x H)
Case Material
Physical
Weight
Cooling method
π
type
1.8
2.5
3.3
5
±1%
±1%
±1%
±1%
8000
8000
8000
8000
±0.5%
±0.5%
±0.5%
±0.5%
±1%
±1%
±1%
±1%
<0.2% Vout +20mV max (Vp-p)
<0.5% Vout +50mV max (Vp-p)
400KHz
400KHz
400KHz
400KHz
Works over 120% of rating and recovers automatically.
Zener diode clamp
Hiccup, auto-recovery
1600 VDC.
10
9
ohms
1000 pF
-25°C…+71°C
-55°C…+105°C
+95°C max.
±0.02%
Per°C
95% RH
>550,000 h @ 25°C (MIL-HDBK-217F)
2 x 1.6 x 0.42 Inches (50.0 x 40.0x 10.67 mm)
Nickel-Coated Copper with Non-Conductive base, six-side shielded.
50 g
Free-air convection
400KHz
400KHz
400KHz
All specifications valid at nominal input voltage, full load and +25°C after warm-up time unless otherwise stated.
http://www.archcorp.com.tw
TEL: +886-2-26989508 FAX: +886-2-26981319
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Encapsulated DC-DC Converter
SK40 SERIES
MECHANICAL DIMENSION
(Top View)
PIN#
1
2
3
4
5
6
7
Single
ON / OFF
-VIN
+VIN
NC
+VOUT
-VOUT
TRIM
40 Watts
DERATING
BLOCK DIAGRAM
Output Voltage (V.DC) : 1.8V, 2.5V, 3.3V, 5V
Output Voltage (V.DC) : 12V, 15V, 24V
http://www.archcorp.com.tw
TEL: +886-2-26989508 FAX: +886-2-26981319
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